In the firmware I am sending the notification regarding the accelerometer event in this way: STORE_LE_16(NotifyAccEventCharData, 4000); //TimeStamp NotifyAccEventCharData[2]=0x08; // Tilt event STORE_LE_16(NotifyAccEventCharData+3 ,5000); //Steps Custom_Acceventchar_Send_Notification(); However, in the app (ST BLE Sensor) it shows the accelerometer event type being the value 264 (0x108) instead of 8 (0x08). The TimeStamp and Steps values are displayed correctly. What can I do to fix this problem? Thanks in advance!